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Area Code 631 Location & Details

State / Region: New York • Country: United States

Major Cities Covered: Hempstead, Freeport, Valley Stream, Long Beach, Lindenhurst, Rockville Centre, Garden City, Mineola, Lynbrook, Massapequa Park

Standard Dial Format
+1 (631) XXX-XXXX
Country Code: +1 (NANP Format)
What State is Area Code 631?
New YorkState Hub →
Country Territory
United States
631 Area Code Time Zone
Eastern
631 Overlay Codes
934

Area Code 631 Geographic Map

Interactive location bounds and coverage area for New York (Eastern Timezone)

Lat: 40.77° • Lng: -73.44°
📍 Geographic Center: New YorkMap data © OpenStreetMap contributors

Where is Area Code 631 Located?

Telephone area code 631 is assigned to New York in United States. It serves cities and metropolitan communities including Hempstead, Freeport, Valley Stream, Long Beach, Lindenhurst, Rockville Centre, Garden City, Mineola, Lynbrook, Massapequa Park.

Historical Context & Area Code Overlay Information:631 serves New York (United States).

For local and long-distance calls within area code 631, standard 10-digit dialing (631) XXX-XXXX applies.

Who Called Me from Area Code 631?

Received an unknown call, missed call, or text scam from area code 631? Here is how to trace who is calling from 631 area code and verify unknown numbers safely:

1.
Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

2.
Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 631 prefix to boost pick-up rates.

3.
Reverse Phone Lookup Area Code 631:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 631 & Dialing Format

When placing a phone call to a number in area code 631, follow the correct dialing format depending on your calling location:

  • Calling from inside the US / Canada (+1): Dial 1 + (631) + 7-digit number.
  • Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 631 + 7-digit number.
  • Do I need to dial area code 631 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 631

Urban centers, census places, and communities within the +1-631 calling area

50 Major Cities Listed
City NameCountyPopulation% of 631 Pop
HempsteadNassau County59,81910.9%
FreeportNassau County44,1748.0%
Valley StreamNassau County40,3797.3%
Long BeachNassau County34,9186.3%
LindenhurstNassau County27,2584.9%
Rockville CentreNassau County25,7704.7%
Garden CityNassau County23,0434.2%
MineolaNassau County21,3763.9%
LynbrookNassau County20,8553.8%
Massapequa ParkNassau County16,9973.1%
Floral ParkNassau County16,1052.9%
WestburyNassau County15,9812.9%
PatchogueSuffolk County12,4862.3%
BabylonNassau County12,2812.2%
Lake GroveSuffolk County11,1682.0%
New Hyde ParkNassau County10,2261.9%
East RockawayNassau County10,0961.8%
AmityvilleNassau County9,7991.8%
FarmingdaleNassau County8,5841.6%
MalverneNassau County8,4761.5%

Counties Covered by Area Code 631

Geographic county distribution and population coverage across New York

County NameTotal Population% of 631 Area% of County
Nassau County1,397,78389.0%35%
Suffolk County1,543,3308.5%3%
Queens County2,367,0342.6%1%

☎️Area Code 631 Exchange Prefixes & Carriers

Showing 50 of 799 central office 3-digit prefixes and assigned telecom carriers

76% Landline16% Wireless8% VoIP
PrefixLine UsageRate CenterAssigned CarrierAssign Date
(631) 200-📞LandlineBAYPORTMCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY12/08/2003
(631) 201-💻VoIPAMITYVILLEONVOY, LLC- NY02/08/2016
(631) 202-💻VoIPRONKONKOMAONVOY, LLC- NY02/09/2016
(631) 203-💻VoIPCENTRAISLPONVOY, LLC- NYN/A
(631) 204-📞LandlineSOUTHAMPTNVERIZON NEW YORK, INC.N/A
(631) 205-📞LandlineYAPHANKVERIZON NEW YORK, INC.N/A
(631) 206-📞LandlineBAY SHOREVERIZON NEW YORK, INC.N/A
(631) 207-📞LandlinePATCHOGUEVERIZON NEW YORK, INC.N/A
(631) 208-📞LandlineRIVERHEADVERIZON NEW YORK, INC.N/A
(631) 209-📞LandlineSHOREHAMVERIZON NEW YORK, INC.N/A
(631) 210-📞LandlineISLIPPAETEC ITEL, LLCN/A
(631) 211-📞LandlineXXXXXXXXXXMULTIPLE OCN LISTINGN/A
(631) 212-💻VoIPCOMMACKONVOY, LLC- NY02/15/2016
(631) 213-📞LandlineMIDLANDTC SYSTEMS, INC. - NYN/A
(631) 214-📞LandlineDEER PARKCSC VOICE, LLC05/21/2015
(631) 215-📱WirelessBRENTWOODMETROPCS, INC.04/22/2016
(631) 216-📞LandlineSTONYBROOKVERIZON NEW YORK, INC.N/A
(631) 217-📞LandlineSTONYBROOKAMERICAN NETWORK, INC.N/A
(631) 218-📞LandlineSAYVILLEVERIZON NEW YORK, INC.N/A
(631) 219-📱WirelessBRENTWOODCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY10/13/2003
(631) 220-📞LandlineBRENTWOODOMNIPOINT COMMUNICATIONS, INC. - NYN/A
(631) 221-📞LandlineNASSAUZN09VERIZON NEW YORK, INC.N/A
(631) 222-📞LandlineXXXXXXXXXXVERIZON NEW YORK, INC.N/A
(631) 223-📞LandlineHUNTINGTONMCIMETRO ACCESS TRANSMISSION SERVICES LLC - NYN/A
(631) 224-📞LandlineISLIPVERIZON NEW YORK, INC.N/A
(631) 225-📞LandlineLINDENHSTVERIZON NEW YORK, INC.N/A
(631) 226-📞LandlineLINDENHSTVERIZON NEW YORK, INC.N/A
(631) 227-📞LandlineFARMINGDLPAETEC ITEL, LLCN/A
(631) 228-📞LandlineSHOREHAMMCIMETRO ACCESS TRANSMISSION SERVICES LLC - NYN/A
(631) 229-📞LandlineAMITYVILLEMCIMETRO ACCESS TRANSMISSION SERVICES LLC - NYN/A
(631) 230-💻VoIPMONTAUK PTPEERLESS NETWORK OF NEW YORK, LLC - NY09/06/2012
(631) 231-📞LandlineBRENTWOODVERIZON NEW YORK, INC.N/A
(631) 232-📞LandlineCENTRAISLPVERIZON NEW YORK, INC.N/A
(631) 233-📞LandlineBRENTWOODVERIZON NEW YORK, INC.N/A
(631) 234-📞LandlineCENTRAISLPVERIZON NEW YORK, INC.N/A
(631) 235-📱WirelessBRENTWOODCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY10/18/2002
(631) 236-📞LandlineBRENTWOODLEVEL 3 COMMUNICATIONS, LLC - NYN/A
(631) 237-📞LandlineBRIDGEMPTNCABLEVISION LIGHTPATH, INC. - NY09/25/2001
(631) 238-📞LandlineMONTAUK PTCSC VOICE, LLC09/25/2001
(631) 239-📞LandlineNORTHPORTTC SYSTEMS, INC. - NYN/A
(631) 240-📞LandlineSMITHTOWNLEVEL 3 COMMUNICATIONS, LLC - NY10/30/2001
(631) 241-📱WirelessBRENTWOODCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY06/05/2003
(631) 242-📞LandlineDEER PARKVERIZON NEW YORK, INC.N/A
(631) 243-📞LandlineDEER PARKVERIZON NEW YORK, INC.N/A
(631) 244-📞LandlineSAYVILLEVERIZON NEW YORK, INC.N/A
(631) 245-📱WirelessBRENTWOODNEW CINGULAR WIRELESS PCS, LLC - DC08/16/2005
(631) 246-📞LandlineSTONYBROOKVERIZON NEW YORK, INC.N/A
(631) 247-📞LandlineFARMINGDLTC SYSTEMS, INC. - NYN/A
(631) 248-💻VoIPE HAMPTONPEERLESS NETWORK OF NEW YORK, LLC - NY09/06/2012
(631) 249-📞LandlineFARMINGDLVERIZON NEW YORK, INC.N/A

Frequently Asked Questions about Area Code 631

Where is area code 631 located?

Area code 631 is located in New York (United States), serving cities like Hempstead, Freeport, Valley Stream, Long Beach, Lindenhurst, Rockville Centre, Garden City, Mineola, Lynbrook, Massapequa Park.

What timezone is area code 631?

Area code 631 operates in the Eastern timezone.

What state is area code 631?

Area code 631 is assigned to the state / telecom territory of New York.

Is area code 631 a scam or dangerous?

Area code 631 is an official geographic area code for New York. However, beware of robocaller spoofing.

New York State Area Codes

View complete directory of telephone area codes assigned to New York.

Explore New York Directory

Get a 631 Business Phone Number

How to acquire a virtual phone number or business line with area code 631 for local customer trust in New York.

Get 631 Business Number
🛡️ Scam & Safety Directory

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Overlay & Nearby Area Codes for New York

Explore neighboring telecom prefixes sharing geographical boundaries with area code 631.

934
Eastern
Area Code 934
Hempstead, Freeport, Valley Stream, Long Beach, Lindenhurst, Rockville Centre, Garden City, Mineola, Lynbrook, Massapequa Park
212
Eastern
Area Code 212
New York
315
Eastern
Area Code 315
Syracuse, Utica, Rome, Auburn, Watertown, Oswego, Geneva, Fulton, Oneida, Massena
329
Eastern
Area Code 329
Kiryas Joel, Spring Valley, Poughkeepsie, Middletown, Newburgh, Peekskill, Kingston, Beacon, Haverstraw, Tarrytown
332
Eastern
Area Code 332
New York
347
Eastern
Area Code 347
New York